body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.navbar {
    background-color: #333;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 20px;
    width: 100%;
    img{
        height: 40px; /* 設定 logo 的高度 */
        margin-right: 20px;
    }
    a{
        cursor: pointer;
        float: left;
        display: block;
        color: #f2f2f2;
        text-align: center;
        padding: 14px 16px;
        text-decoration: none;
    }
    a:hover{
        background-color: #ddd;
        color: black;
    }
}

.dropdown {
    float: left;
    overflow: hidden;
    button{
        font-size: 16px;  
        border: none;
        outline: none;
        color: white;
        padding: 14px 16px;
        background-color: inherit;
        font-family: inherit;
        margin: 0;
        cursor: pointer;
    }
    
}
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
    a{
        float: none;
        color: black;
        padding: 12px 16px;
        text-decoration: none;
        display: block;
        text-align: left;
    }
    a:hover {
        background-color: #ddd;
    }
}
.dropdown:hover{ 
    .dropdown-content {
        display: block;
    }
    .dropbtn {
        background-color: #3e8e41;
    }
}